Keycloak Open Redirect

A flaw was found in JBOSS Keycloak 3.2.1.Final. The Redirect URL for both Login and Logout are not normalized in org.keycloak.protocol.oidc.utils.RedirectUtils before the redirect url is verified. This can lead to an Open Redirection attack...

GHSA-3QH2-MCCC-Q5M6 Keycloak Open Redirect

A flaw was found in JBOSS Keycloak 3.2.1.Final. The Redirect URL for both Login and Logout are not normalized in org.keycloak.protocol.oidc.utils.RedirectUtils before the redirect url is verified. This can lead to an Open Redirection attack...

GHSA-458H-WV48-FQ75 Keycloak vulnerable to cross-site scripting via the state parameter

A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using responsemode=formpost it is possible to inject arbitrary Javascript-Code via the 'state'-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login...

Keycloak vulnerable to cross-site scripting via the state parameter

A flaw was found in Keycloak 3.4.3.Final, 4.0.0.Beta2, 4.3.0.Final. When using responsemode=formpost it is possible to inject arbitrary Javascript-Code via the 'state'-parameter in the authentication URL. This allows an XSS-Attack upon succesfully login...

GHSA-QC72-GFVW-76H7 Keycloak Oauth Implementation Error

It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself...

Keycloak Oauth Implementation Error

It was found that Keycloak oauth would permit an authenticated resource to obtain an access/refresh token pair from the authentication server, permitting indefinite usage in the case of permission revocation. An attacker on an already compromised resource could use this flaw to grant himself...

GHSA-85V8-VX4W-Q684 Keycloak Improper Bruteforce Detection

A flaw was found in Keycloak 4.2.1.Final, 4.3.0.Final. When TOPT enabled, an improper implementation of the Brute Force detection algorithm will not enforce its protection measures...

Keycloak Improper Bruteforce Detection

A flaw was found in Keycloak 4.2.1.Final, 4.3.0.Final. When TOPT enabled, an improper implementation of the Brute Force detection algorithm will not enforce its protection measures...

RHEL 7 : Red Hat Single Sign-On 7.5.2 security update on RHEL 7 (Moderate) (RHSA-2022:1711)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2022:1711 advisory. Red Hat Single Sign-On 7.5 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on...

keycloak: Privilege escalation vulnerability on Token Exchange

A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorization allows a client application holding a valid access token to exchange tokens for any target client by passing the clientid of the target. This could allow a client to gain unauthorized access to...

Moderate: Red Hat Security Advisory: Red Hat Single Sign-On 7.5.2 security update on RHEL 8

New Red Hat Single Sign-On 7.5.2 packages are now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

keycloak: Privilege escalation vulnerability on Token Exchange

A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorization allows a client application holding a valid access token to exchange tokens for any target client by passing the clientid of the target. This could allow a client to gain unauthorized access to...

keycloak: Privilege escalation vulnerability on Token Exchange

A privilege escalation flaw was found in the token exchange feature of keycloak. Missing authorization allows a client application holding a valid access token to exchange tokens for any target client by passing the clientid of the target. This could allow a client to gain unauthorized access to...

Moderate: Red Hat Security Advisory: Red Hat Single Sign-On 7.5.2 security update

A security update is now available for Red Hat Single Sign-On 7.5 from the Customer Portal. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

Improper Authorization

org.keycloak:keycloak-quarkus-server is vulnerable to improper authorization. A remote attacker is able to add users to the master realm without respective permission due to the lack of required validations in createMasterRealm function...

RHEL 8 : Red Hat Single Sign-On 7.5.2 security update on RHEL 8 (Moderate) (RHSA-2022:1712)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2022:1712 advisory. Red Hat Single Sign-On 7.5 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on...

Cross-site Request Forgery (CSRF)

org.keycloak:keycloak-installed-adapter is vulnerable to cross-site request forgeryCSRF. A local attacker is able to cause denial of service conditions because OIDC logout endpoint does not have any CSRF protection configured...

GHSA-M98G-63QJ-FP8J Reflected XSS on clients-registrations endpoint

A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak. When a malicious request is sent to the client registration endpoint, the error message is not properly escaped, allowing an attacker to execute malicious scripts into the user's browser. Acknowledgement...

Reflected XSS on clients-registrations endpoint

A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak. When a malicious request is sent to the client registration endpoint, the error message is not properly escaped, allowing an attacker to execute malicious scripts into the user's browser. Acknowledgement...

Keycloak is vulnerable to IDN homograph attack

A flaw was found in keycloak, where IDN homograph attacks are possible. This flaw allows a malicious user to register a name that already exists and then tricking an admin to grant extra privileges. The highest threat from this vulnerability is to integrity...